RT8004
Absolute Maximum Ratings (Note 1)
ꢀ Supply Input Voltage---------------------------------------------------------------------------------------------- −0.3V to 6V
ꢀ LX Pin Switch Voltage -------------------------------------------------------------------------------------------- −0.3V to (PVDD + 0.3V)
ꢀ Other I/O Pin Voltages ------------------------------------------------------------------------------------------- −0.3V to (VDD + 0.3V)
ꢀ PowerDissipation, PD @ TA = 25°C
SOP-16 -------------------------------------------------------------------------------------------------------------- 1.25W
TSSOP-16----------------------------------------------------------------------------------------------------------- 2.66W
VQFN-16L 4x4 ----------------------------------------------------------------------------------------------------- 2.315W
ꢀ Package Thermal Resistance (Note 4)
SOP-16, θJA -------------------------------------------------------------------------------------------------------- 100°C/W
TSSOP-16, θJA ----------------------------------------------------------------------------------------------------- 47°C/W
VQFN-16L 4x4, θJA ------------------------------------------------------------------------------------------------ 54°C/W
VQFN-16L 4x4, θJC ----------------------------------------------------------------------------------------------- 7°C/W
ꢀ Lead Temperature (Soldering, 10 sec.)----------------------------------------------------------------------- 260°C
ꢀ Junction Temperature --------------------------------------------------------------------------------------------- 150°C
ꢀ Storage Temperature Range ------------------------------------------------------------------------------------ −65°C to +150°C
ꢀ ESD Susceptibility (Note 2)
HBM (Human Body Mode) -------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 3)
ꢀ Supply Input Voltage---------------------------------------------------------------------------------------------- 2.65V to 5.5V
ꢀ Ambient Temperature Range------------------------------------------------------------------------------------ −40°C to 85°C
ꢀ Junction Temperature Range------------------------------------------------------------------------------------ −40°C to 125°C
Electrical Characteristics
(VDD = 3.3V, TA = 25°C, unless otherwise specified)
Parameter
Input Voltage Range
Feedback Voltage
Symbol
Test Conditions
Min
2.65
0.784
--
Typ
--
Max Units
V
V
I
5.5
0.816
0.4
V
V
DD
(Note 5)
0.8
--
FB
Feedback Leakage Current
μA
FB
Active, V = 0.78V,
Not switching
FB
180
400
520
μA
Input DC Bias Current
Shutdown, V < 0.1V
(Note 5)
EN
--
--
--
1
μA
Reference Voltage Line Regulation
Output Voltage Load Regulation
VIN = 2.7V to 5.5V
(Note 5)
0.04
0.2
%/V
Measured in Servo Loop,
V
COMP
= 1.2V to 1.6V
--
0.05 +/-0.2
%
(Note 5)
Power Good
Power Good Range
--
--
+/-12.5 +/-15
%
Power Good Pull-Down Resistance
--
120
Ω
To be continued
www.richtek.com
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DS8004-03 September 2007
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
